Table 1 .
Comparison between hip fractures admitted during period A and period B
| Period A | Period B | p-value | |
|---|---|---|---|
| Total number of hip fractures (n) | 380 | 355 | |
| Mean age (SD) | 83.7 (8.8) | 83.5 (8.1) | 0.743 |
| Gender | |||
| Female | 276 (72.6%) | 242 (68.2%) | 0.185 |
| Male | 104 (27.4%) | 113 (31.8%) | |
| ASA Grade | |||
| 1 | 3 (0.8%) | 2 (0.6%) | 0.158 |
| 2 | 103 (27.1%) | 74 (20.8%) | |
| 3 | 219 (57.6%) | 213 (60.0%) | |
| 4 | 55 (14.5%) | 66 (18.6%) | |
| Preoperative AMTS | |||
| 0–6 | 100 (26.3%) | 113 (31.8%) | 0.1 |
| 7–10 | 280 (73.7%) | 242 (68.2%) | |
| Pre-admission residence | |||
| Nursing care | 36 (9.5%) | 32 (9.0%) | 0.967 |
| Own home/sheltered housing | 310 (81.6%) | 290 (81.7%) | |
| Residential care | 34 (8.9%) | 33 (9.3%) | |
| Fracture type | |||
| Intracapsular – displaced | 172 (45.3%) | 198 (55.8%) | 0.039 |
| Intracapsular – undisplaced | 37 (9.7%) | 28 (7.9%) | |
| Subtrochanteric | 19 (5.0%) | 12 (3.4%) | |
| Trochanteric - grade A1/A2 | 128 (33.7%) | 105 (29.6%) | |
| Trochanteric - grade A3 | 24 (6.3%) | 12 (3.4%) | |
| Mean time to surgery - hours (SD) | 31.7 (35.4) | 31.3 (24.7) | 0.865 |
| Delay in surgery >36h? | |||
| No | 273 (71.8%) | 241 (67.9%) | 0.235 |
| Yes | 102 (26.8%) | 112 (31.5%) | |
| N/A – surgery not performed | 5 (1.3%) | 2 (0.6%) | |
| Mean time to orthogeriatric assessment – hours (SD) | 31.1 (31.5) | 28.2 (26.2) | 0.187 |
| Treatment | |||
| Hemiarthroplasty (cemented) | 137 (36.1%) | 166 (46.8%) | 0.103 |
| Hemiarthroplasty (uncemented) | 10 (2.6%) | 16 (4.5%) | |
| Cannulated hip screws | 18 (4.7%) | 13 (3.7%) | |
| Dynamic hip screw | 105 (27.6%) | 84 (23.7%) | |
| Long intramedullary nail | 40 (10.5%) | 33 (9.3%) | |
| Short intramedullary nail | 33 (8.7%) | 23 (6.5%) | |
| Total hip replacement (cemented) | 12 (3.2%) | 5 (1.4%) | |
| Total hip replacement (hybrid) | 15 (3.9%) | 10 (2.8%) | |
| Total hip replacement (uncemented) | 5 (1.3%) | 3 (0.8%) | |
| Nonsurgical treatment | 5 (1.3%) | 2 (0.6%) | |
| Mean length of inpatient stay – days (SD) | 17.0 (11.0) | 11.5 (8.1) | <0.001 |
| Return to operating theatre (%) | 5 (1.3%) | 2 (0.6%) | 0.329 |
| 30-day mortality (%) | 45 (11.8%) | 37 (10.4%) | 0.541 |
| Discharge destination | |||
| Death during inpatient admission | 28 (7.4%) | 36 (10.1%) | 0.046 |
| Nursing care | 51 (13.4%) | 27 (7.6%) | |
| Own home/sheltered housing | 190 (50.0%) | 159 (44.8%) | |
| Rehabilitation unit | 82 (21.6%) | 103 (29.0%) | |
| Residential care | 23 (6.1%) | 23 (6.5%) | |
| Transfer to another acute hospital | 3 (0.8%) | 3 (0.8%) | |
| Other | 3 (0.8%) | 4 (1.1%) | |
| Discharge to pre-admission residence? | |||
| No | 151 (39.7%) | 156 (43.9%) | 0.248 |
| Yes | 229 (60.3%) | 199 (56.1%) | |
ASA = American Society of Anaesthesiologists; AMTS = abbreviated mental test score; SD = standard deviation